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1330302012 = 2231319144647
BaseRepresentation
bin100111101001010…
…1100110000111100
310102201012100021220
41033102230300330
510211024131022
6340000553340
744652244344
oct11722546074
93381170256
101330302012
11622a14656
12311622850
131827b7570
14c896bd24
157bbc885c
hex4f4acc3c

1330302012 has 48 divisors (see below), whose sum is σ = 3360387072. Its totient is φ = 407171520.

The previous prime is 1330301993. The next prime is 1330302019. The reversal of 1330302012 is 2102030331.

It is a junction number, because it is equal to n+sod(n) for n = 1330301982 and 1330302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330302019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7473 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (70008064).

Almost surely, 21330302012 is an apocalyptic number.

1330302012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330302012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680193536).

1330302012 is an abundant number, since it is smaller than the sum of its proper divisors (2030085060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330302012 is a wasteful number, since it uses less digits than its factorization.

1330302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44858 (or 44856 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1330302012 is about 36473.3054712621. The cubic root of 1330302012 is about 1099.8076831830.

Adding to 1330302012 its reverse (2102030331), we get a palindrome (3432332343).

The spelling of 1330302012 in words is "one billion, three hundred thirty million, three hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 191 382 573 764 1146 2292 2483 4966 7449 9932 14898 29796 44647 89294 133941 178588 267882 535764 580411 1160822 1741233 2321644 3482466 6964932 8527577 17055154 25582731 34110308 51165462 102330924 110858501 221717002 332575503 443434004 665151006 1330302012